| Domain | Name | Category | Type |
| IPR000162 | GPCR, family 3, metabotropic glutamate receptor | Family | Family |
| IPR000337 | GPCR, family 3 | Family | Family |
| IPR001828 | Receptor, ligand binding region | Domain | Domain |
| IPR001883 | GPCR, family 3, metabotropic glutamate receptor 7 | Family | Family |
| IPR011500 | GPCR, family 3, nine cysteines domain | Domain | Domain |
| IPR017978 | GPCR family 3, C-terminal | Domain | Domain |
| IPR017979 | GPCR, family 3, conserved site | Site | Conserved site |
| IPR028082 | Periplasmic binding protein-like I | Family | Homologous superfamily |
| IPR038550 | GPCR, family 3, nine cysteines domain superfamily | Family | Homologous superfamily |